| Patents for E03B 7 - Water main or service pipe systems (5,081) |
|---|
| 05/30/2002 | US20020062601 Sub-exterior weatherproofing flashing panel for utility pipes |
| 05/29/2002 | EP1208271A1 Connection for a water meter |
| 05/29/2002 | DE10057218A1 Fastener for membrane expansion vessel used to heat cold drinking water, comprises screw fitting with vertical flow partition plate inside |
| 05/29/2002 | CN2493650Y Fully autoamtic washing free filter |
| 05/28/2002 | US6394125 Leak-containing sheath for frost-resistant hydrant |
| 05/22/2002 | CN2492605Y Fully automatic water supply apparatus |
| 05/15/2002 | CN2491487Y Expansion compensator |
| 05/15/2002 | CN2491486Y Vacuum automatic compensator |
| 05/14/2002 | US6386224 High level water supplying and distributing system |
| 05/14/2002 | US6386029 Meter and a pipe connector therefore |
| 05/10/2002 | WO2002037020A1 Device for preventing pipeline freezing |
| 05/10/2002 | WO2002037000A2 Ceramic disc diverter valve |
| 05/08/2002 | DE10055117A1 Ball cock with co-axial water guide has circulation line and return line for standby built into standard fittings and valves |
| 05/08/2002 | DE10054822A1 Press fitting comprises coaxial pipes with conventional press collars at their ends, inner pipe carrying hot water and outer central heating water |
| 05/02/2002 | WO2002035018A1 Hydraulic services for residential and hotel buildings |
| 05/02/2002 | US20020050717 Accessory component for piping |
| 05/02/2002 | EP1201835A2 Accessory component for piping, such as a valve, filter or the like |
| 04/30/2002 | CA2360481A1 Accessory component for piping |
| 04/25/2002 | US20020046774 Pilot operated water conservation valve and actuator |
| 04/24/2002 | CN2487782Y Flexible preset ring joint water feeding expansion joint |
| 04/24/2002 | CN2487781Y Running water on-line automatic water storage pot |
| 04/24/2002 | CN2487780Y Contamination draining filter |
| 04/23/2002 | US6374849 Test cock apparatus with freeze protection capability |
| 04/23/2002 | US6374848 Automatic mechanism for cut-off and drainage of under low-freezing ambient temperature conditions |
| 04/23/2002 | US6374846 System for excercising the control valve for a water shut-off valve |
| 04/18/2002 | US20020043490 Apparatus for the enhancement of water quality in a subterranean pressurized water distribution system |
| 04/18/2002 | US20020043282 Backflow preventer assembly |
| 04/18/2002 | DE10110585C1 Frost-proof water tap/faucet has an outflow housing with a swing/telescopic outflow pipe, contained within a box inserted into a wall recess with a front door flush with the outer wall surface |
| 04/18/2002 | DE10042165C1 System zur Steuerung und Überwachung von Sanitärarmaturen System for control and monitoring of sanitary fittings |
| 04/17/2002 | CN2486609Y Double seal vacuum automatic compensator |
| 04/17/2002 | CA2323041A1 A liquid reservation distribution system |
| 04/10/2002 | EP1194655A1 Filtered fluid dispensing system |
| 04/10/2002 | CN2485351Y Phase changed energy storing water supply |
| 04/10/2002 | CN2485346Y Water pipe connector |
| 04/10/2002 | CN1343819A Non-pollution secondary water supply system for both life and fire fighting purposes |
| 04/09/2002 | US6368503 Filtered fluid dispensing system |
| 04/04/2002 | WO2002027227A1 Flow control apparatus and method |
| 04/03/2002 | CN2484355Y Domestic water-treating flow controller |
| 04/02/2002 | US6363960 Frost protection device |
| 03/27/2002 | EP0788573B1 Valves |
| 03/21/2002 | DE10114076A1 Connection piece for building water installation testing, couples outlet opening of toilet flushing cistern to drainage pipe inlet |
| 03/21/2002 | DE10043208A1 Supply terminal device for connecting building to mains supply networks has sunken shaft containing supply network line for each mains supply network |
| 03/20/2002 | CN2482562Y Dampproof floator switch |
| 03/20/2002 | CN2482561Y Non-tank pipe type automatic supplying water equipment |
| 03/19/2002 | US6358408 Apparatus for the enhancement of water quality in a subterranean pressurized water distribution system |
| 03/19/2002 | US6358405 Pollutant interceptor |
| 03/19/2002 | US6357477 Bypass assembly incorporating double street t-fitting and method of making the same |
| 03/14/2002 | WO2002021029A1 Short-length reduced-pressure backflow preventor |
| 03/14/2002 | CA2421536A1 Short-length reduced-pressure backflow preventor |
| 03/13/2002 | CN2481765Y Device for preventing fraudulent use of water |
| 02/28/2002 | DE10039606A1 Device for ensuring continuous flow of liquid through water or petroleum pipeline or blood supply tube comprises air vent valve and non-return valve |
| 02/28/2002 | DE10039496A1 Intermediate connector piece for water piping with a bypass and a water treatment unit incorporates a flow control disk which is oriented substantially perpendicular to the flow direction |
| 02/27/2002 | CN2479067Y Water supply device |
| 02/26/2002 | US6349736 Backflow preventer apparatus and method with integration of shut-off valves |
| 02/26/2002 | US6349733 Water delivery and storage system and method |
| 02/21/2002 | WO2002014614A1 System for the control and monitoring of sanitary appliances |
| 02/21/2002 | DE10040008A1 Filtering device for filtering industrial water comprises housing with inlet and outlet and containing filter insert consisting of prefilter and activated charcoal filter |
| 02/20/2002 | CN2477710Y Pipeline water magnetized appts. |
| 02/20/2002 | CN1079470C Vertical pipe with downflow flowing static pressure cutting-off device |
| 02/19/2002 | US6348151 Device for sterilizing and filtering water which flows through a sanitary device |
| 02/14/2002 | WO2002012644A1 Combination tap with external water purifier |
| 02/14/2002 | WO2002012643A2 Device for ensuring a continuous passage of fluids in fluid lines and use of said device |
| 02/13/2002 | EP1179101A1 Fluid flow diverters and diversion methods and water purification equipment including such diverters |
| 02/12/2002 | US6345644 Device for preventing pipeline freezing |
| 02/12/2002 | US6345632 A section of the system is isolated and chemically cleaned, then is immediately passivated using a high concentration of passivating agent. |
| 02/07/2002 | DE10034766A1 Connector for connecting valve meter to shut-off valve housing has housing and threaded connection section with plastic shear ring which has line of weakness fitted between two sections to limit torque applied |
| 01/29/2002 | US6341619 Device for subsequently installing a fluid meter in a pipeline |
| 01/17/2002 | US20020005288 Water distribution network for domestic water and fire protection application |
| 01/17/2002 | DE10031854A1 Method for maintaining water purity in supply lines using parallel feed tapping lines to provide a constant circulation |
| 01/16/2002 | CN2471828Y Anti-freezing device for water supply pipeline |
| 01/16/2002 | CN2471827Y Water drinking table |
| 01/15/2002 | US6338364 Insert for freeze protecting water pipes |
| 01/02/2002 | CN2469056Y Domestic automatic water supply apparatus |
| 01/02/2002 | CN2469052Y Freeze-proof water pipe device |
| 01/02/2002 | CN2469051Y Novel and domestic water treatment equipment |
| 01/02/2002 | CN2469049Y Leakage preventing means for water supply pipeline |
| 12/20/2001 | US20010052364 Method of water distribution and apparatus therefor |
| 12/19/2001 | CN2466224Y Direct pipe network double pressure-regulator water supply apparatus |
| 12/19/2001 | CN1327111A Energy saving method for water supply engineering |
| 12/18/2001 | CA2277317C Parallel-fed nonstagnant integrated water distribution network for domestic water and fire sprinkler application |
| 12/13/2001 | DE10120313A1 Rectangular assembly block for sanitary installations consists of expanded glass granulate which is provided with a bonding agent and is pressed into a required shape |
| 12/12/2001 | CN1326524A Method of water distribution and apparatus therefor |
| 12/12/2001 | CN1076067C Low lead released pipes made from copper based alloy containing lead and method for manufacturing them |
| 12/11/2001 | US6328066 Auxiliary faucet valve |
| 12/11/2001 | CA2157415C System of plumbing for recreational vehicles |
| 12/05/2001 | CN2463461Y 自来水空气加压调节器 Water air pressure regulator |
| 12/05/2001 | CN2463460Y Tap water pipeline secondary pressure water supply system |
| 12/04/2001 | US6325090 Backflow preventer assembly |
| 11/29/2001 | DE10022603A1 Supply and disposal pipe system between buildings and e.g. sewage system consists of concrete jacket tub containing various supply pipes and sewage/waste water pipes |
| 11/28/2001 | CN2461968Y Non-negative pressure water supply appts. |
| 11/27/2001 | US6321773 Water valve assembly and water draining method |
| 11/21/2001 | CN2460572Y Device for preventing freezing for water system |
| 11/21/2001 | CN2460571Y Treatment apparatus on water pipe |
| 11/21/2001 | CN2460570Y Water-saving multifunction valve box |
| 11/21/2001 | CN2460569Y Anti-leakage and preventing water burglar magnetic control valve |
| 11/15/2001 | WO2001040586B1 Backflow prevention assembly |
| 11/14/2001 | EP1153174A1 Device for heating a tap |
| 11/08/2001 | WO2001084038A1 Securing shell assemblies to pipelines |
| 11/07/2001 | CN2458349Y Purifier for domestic water |
| 11/07/2001 | CN1320748A Respirator of closed low-level pressure-constant water supply system for high building |